/*
 * Copyright (c) 2018 WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.wso2.carbon.apimgt.hybrid.gateway.common;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.apimgt.hybrid.gateway.common.internal.ServiceReferenceHolder;

/**
 * This class notifies the registered listeners of {@link OnPremiseGatewayInitListener} interface
 */
public class GatewayListenerNotifier {

    private GatewayListenerNotifier() {
    }

    private static final Log log = LogFactory.getLog(GatewayListenerNotifier.class);

    /**
     * Method to notify registered listeners of {@link OnPremiseGatewayInitListener} interface
     *
     */
    public static synchronized void notifyListeners() {
        if (log.isDebugEnabled()) {
            log.debug("Notifying OnPremiseGatewayInitListeners");
        }
        for (OnPremiseGatewayInitListener listener : ServiceReferenceHolder.getInstance().getListeners()) {
            listener.completedInitialization();
        }
    }
}
